9 results about "Dye-sensitized solar cell" patented technology

To provide a die-sensitized solar cell capable of suppressing deterioration in adhesiveness of a seal part, and a manufacturing method thereof.SOLUTION: A die-sensitized solar cell comprises: a light transmissive substrate; a first electrode layer provided in the light transmissive substrate; an electrolyte layer provided on a principal surface of the first electrode layer at an opposite side of the light transmissive substrate and including an electrolyte; a second electrode layer provided on a principal surface of the electrolyte layer at an opposite side of the first electrode layer; and a seal part extending from a side face of the light transmissive substrate to a surface of the second electrode layer at an opposite side of the electrolyte layer. The second electrode layer extends to a front side of a side face of the electrolyte layer in an in-plane direction, such that a step is formed from a side face of the second electrode layer, a principal surface of the electrolyte layer at the side of the second electrode layer and the side face of the electrolyte layer. The second electrode layer includes: a first metal layer; and a second metal layer which is disposed at an opposite side of the electrolyte layer rather than the first metal layer and oxidized more easily than the first metal layer. The first metal layer extends to a side face of the second metal layer.SELECTED DRAWING: Figure 3

The invention discloses a novel dye-sensitized solar cell optimization method, and relates to the technical field of semiconductor devices, and the method comprises the steps: on the basis of a dye-sensitized solar cell model, firstly, changing the material of a hole transport layer of the dye-sensitized solar cell model, correspondingly obtaining a plurality of first cell models, and carrying out the performance simulation; selecting an intermediate battery model from the plurality of first battery models based on a performance simulation result; then, changing an electrode material of the intermediate battery model, correspondingly obtaining a plurality of second battery models, performing performance simulation, and selecting a to-be-adjusted battery model from the plurality of second battery models based on a performance simulation result; and finally, optimizing a plurality of adjustable parameters of the to-be-adjusted battery model to obtain a target battery model. The performance of the solar cell corresponding to the dye-sensitized solar cell model can be improved by optimizing the material of the hole transport layer of the dye-sensitized solar cell model, the material of the electrode and the numerical values of part of the adjustable parameters.

The application discloses a W-WN heterojunction composite material based on in-situ growth on carbon and a preparation method thereof, and belongs to the technical field of dye-sensitized solar cell counter electrode materials. 10 H2(W2O7)6 is dissolved in the uniform mixed solution, and stirring is performed to form a uniform mixed solution; dopamine hydrochloride powder is added into the uniform mixed solution, and stirring is uniformly performed, and then hydrothermal reaction is performed; after the hydrothermal reaction is completed, cooling is performed to room temperature, the precipitate is washed and then dried; calcination is performed under a tube argon atmosphere, and then cooling is performed to room temperature, so that the W-WN heterojunction composite material based on in-situ growth on carbon is formed. The composite material can be used as a counter electrode material for a dye-sensitized solar cell, and has excellent photoelectric conversion efficiency.

The application discloses a novel dye-sensitized solar cell optimization method, and relates to the technical field of semiconductor devices, and comprises the following steps: on the basis of a dye-sensitized solar cell model, first, the material of a hole transport layer of the dye-sensitized solar cell model is changed, a plurality of first cell models are obtained correspondingly, and performance simulation is performed; based on the performance simulation result, an intermediate cell model is selected from the plurality of first cell models; then, the electrode material of the intermediate cell model is changed, a plurality of second cell models are obtained correspondingly, and performance simulation is performed; based on the performance simulation result, a to-be-adjusted cell model is selected from the plurality of second cell models; finally, a plurality of adjustable parameters of the to-be-adjusted cell model are optimized, and a target cell model is obtained. Through optimization of the material of the hole transport layer, the material of the electrode and the numerical value of part of the adjustable parameters of the dye-sensitized solar cell model, the performance of a solar cell corresponding to the dye-sensitized solar cell model can be improved.

The application belongs to the technical field of energy conversion and storage devices, and discloses a full-solid-state light energy storage integrated device and a preparation method thereof. The full-solid-state light energy storage integrated device comprises, from bottom to top, an energy storage electrode, an energy storage gel electrolyte, a compatible electrode, a photoelectric conversion gel electrolyte and a photoanode; the energy storage electrode, the energy storage gel electrolyte and the compatible electrode constitute a supercapacitor module; the compatible electrode, the photoelectric conversion gel electrolyte and the photoanode constitute a dye-sensitized solar cell module; components of the photoelectric conversion gel electrolyte include polyvinylidene fluoride-hexafluoropropylene and 1-butyl-3-methylimidazolium tetrafluoroborate ionic liquid; components of the energy storage gel electrolyte include polyvinylidene fluoride-hexafluoropropylene, 1-butyl-3-methylimidazolium tetrafluoroborate ionic liquid and tetrabutylammonium tetrafluoroborate. The application adopts double gel electrolytes to replace liquid electrolytes, and has good energy conversion efficiency and cycle stability.

Provided is a method for manufacturing a stack structure. The method for manufacturing a stack structure includes: preparing a substrate; forming a two-dimensional semiconductor material on the substrate; and oxidizing the two-dimensional semiconductor material using oxygen plasma to form a high-k material layer including the high-k material. The stack structure manufactured through the above-described method may be easily applied to a MOS capacitor, a field effect transistor (FET), an impact ionization super-tilt switching device, a dye-sensitized solar cell, an architectural film (particularly, a film used for window coating), and the like.

The invention discloses a preparation method of a zinc indium sulfide and carbon nanotube composite material, and belongs to the technical field of solar cell electrodes. The preparation method comprises the following steps: firstly, mixing a carbon nanotube and various materials in deionized water, adding concentrated hydrochloric acid, stirring, and carrying out ultrasonic dispersion treatment to obtain a mixed solution, carrying out hydrothermal reaction, carrying out centrifugal washing treatment on a product, carrying out freeze drying to obtain precursor powder, mixing and grinding the precursor powder and polyethylene glycol, roasting in an inert atmosphere, and cooling to obtain the carbon nanotube / polyethylene glycol composite material. The zinc indium sulfide and carbon nanotube composite powder is obtained. The composite material obtained by the preparation method is suitable for manufacturing a counter electrode of a dye-sensitized solar cell, has the technical effects of good photoelectric conversion efficiency, good mechanical flexibility and low cost, can break through the development problem of a traditional platinum electrode, and can promote the development of the dye-sensitized solar cell.

A dye-sensitized solar cell (DSSC) includes a photoanode including a layer of a titanium dioxide, a graphitic carbon nitride, and a cadmium selenide (TiO2 / GCN / CdSe) nanocomposite, a layer of a light absorbing dye, and a transparent glass substrate on which the TiO2 / GCN / CdSe nanocomposite layer and the light absorbing dye layer are coated. The DSSC further includes a counter electrode including a layer of electrically conductive material and a transparent glass substrate, the electrically conductive material is coated on the transparent glass substrate, and an electrolyte between the photoanode and the counter electrode. The TiO2 / GCN / CdSe nanocomposite includes TiO2 in an amount of 75 to 95 percent by weight (wt. %), GCN in an amount of 5 to 10 wt. %, and CdSe in an amount of 2 to 7 wt. %, based on the total weight of the TiO2 / GCN / CdSe nanocomposite.

The invention discloses a preparation method of a ZnO composite TiO2 nano material for improving the photoelectric conversion efficiency of a dye-sensitive cell, and relates to a preparation method of a porous ZnO composite TiO2 nano composite material formed by an electrostatic spinning method and a high-temperature calcination method. Compared with the prior art, the dye-sensitized solar cell has the advantages that the absorbance and the photoelectric conversion efficiency of the dye-sensitized solar cell are greatly improved, and the photoelectric conversion efficiency can reach 5.25%, the short-circuit current is 13.39 mA / cm < 2 > and the open-circuit voltage reaches 0.72 V under the condition that the fill factor reaches 54.4%.